Home / 26,151.78-39,227.34-6,430.50

Finding the Fourth Proportional to 26,151.78, 39,227.34 and 6,430.50

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Solution

The fourth proportional to 26,151.78, 39,227.34 and 6,430.50 is: 9,645.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,151.78 : 39,227.34 = 6,430.50 : x
  2. Step 2: Convert to fraction form
    26,151.78/39,227.34 = 6,430.50/x
  3. Step 3: Cross multiply
    26,151.78x = 39,227.34 × 6,430.50
  4. Step 4: Simplify right side
    26,151.78x = 252,251,409.87
  5. Step 5: Solve for x
    x = 252,251,409.87/26,151.78
  6. Step 6: Final answer
    x = 9,645.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.